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Finding the Fourth Proportional to 25,366.40, 38,049.60 and 14,825.60

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Solution

The fourth proportional to 25,366.40, 38,049.60 and 14,825.60 is: 22,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.40 : 38,049.60 = 14,825.60 : x
  2. Step 2: Convert to fraction form
    25,366.40/38,049.60 = 14,825.60/x
  3. Step 3: Cross multiply
    25,366.40x = 38,049.60 × 14,825.60
  4. Step 4: Simplify right side
    25,366.40x = 564,108,149.76
  5. Step 5: Solve for x
    x = 564,108,149.76/25,366.40
  6. Step 6: Final answer
    x = 22,238.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.